Dr. Janzen is an active contributor to the GRANDMA database and particularly enjoys adding new materials transcribed from documents in Russian and Ukrainian archives.  GRANDMA is a genealogical database of people whose Mennonite ancestors originally came from West Prussia and/or Russia. GRANDMA stands for "Genealogical Registry ANd Database of Mennonite Ancestry."  

Dr. Janzen has also been instrumental in obtaining microfilmed copies or digital images of many Mennonite and German genealogical records from Russia and Ukraine. He has also spent considerable time transcribing and compiling these records and making them available to other researchers.  Many examples of his tireless work can be seen by perusing the files found online at the Russian Genealogical Resource Page. 

He has a web site that summarizes many different sources available for Mennonite genealogical research found at www.timjanzen.com and has given many presentations about Mennonite genealogy in the United States and Canada. Since 2004 Tim has become very interested in using DNA analysis to help compliment traditional genealogical research. Glenn Penner and he are the co-administrators of the Mennonite DNA project at www.mennonitedna.com. Tim has a strong interest in many areas of genetic genealogy, particularly in regards to phasing and autosomal DNA analysis.